Home / 4,013.60-6,018.20-1,239.51

Finding the Fourth Proportional to 4,013.60, 6,018.20 and 1,239.51

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Solution

The fourth proportional to 4,013.60, 6,018.20 and 1,239.51 is: 1,858.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.60 : 6,018.20 = 1,239.51 : x
  2. Step 2: Convert to fraction form
    4,013.60/6,018.20 = 1,239.51/x
  3. Step 3: Cross multiply
    4,013.60x = 6,018.20 × 1,239.51
  4. Step 4: Simplify right side
    4,013.60x = 7,459,619.08
  5. Step 5: Solve for x
    x = 7,459,619.08/4,013.60
  6. Step 6: Final answer
    x = 1,858.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.